Expired, full termArchiveSolo inventor
Feeding apparatus for manure spreading vehicles
US 2,672,058 A · Inventors: FRANCIS LEE
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read the whole patent
Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 16, 1954. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 16, 1971.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 8, 1950
GrantedMarch 16, 1954
Term endedMarch 16, 1971
Application number—
Classification (CPC)A01C3/06 +2 more
Length5 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.